Common genetic variants of homocysteine metabolism in ischemic stroke: a case-control study

M Linnebank, M Montenarh, H Kolsch, A Linnebank, K Schnez, D Schweichel, C Pohl, H Urbach, Reinhard Heun, U Harbrecht, T Klockgether, U Wullner

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    22 Citations (Scopus)

    Abstract

    Hyperhomocysteinemia is a risk factor for ischemic stroke. We investigated five functional polymorphisms involved in homocysteine metabolism in each 159 stroke patients and controls. The folate-sensitive polymorphism methylenetetrahydrofolate reductase (MTHFR) c. 677 C > T (A222V) referred a non-significant risk of ischemic stroke (odds ratio: 1.20) in all patients, and homozygosity for MTHFR c. 677 C > T was associated with an earlier onset of stroke selectively in patients younger than 60 years (38 +/- 3 years vs. 45 +/- 1 years; P = 0.043). This study suggests that the investigated polymorphisms are no major risk factors for stroke, although MTHFR c. 677 C > T could be a minor factor of vulnerability especially in young patients (TT genotype), which might be helpful for the clinical work-up of stroke cases and for preventive dietary strategies.
    Original languageEnglish
    Pages (from-to)614-8
    Number of pages5
    JournalEuropean Journal of Neurology
    Volume12
    DOIs
    Publication statusPublished - 1 Aug 2005

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